ab-3a+4b+3(a-b)=

Solution for ab-3a+4b+3(a-b)= equation:

Simplifying
ab + -3a + 4b + 3(a + -1b) = 0
ab + -3a + 4b + (a * 3 + -1b * 3) = 0
ab + -3a + 4b + (3a + -3b) = 0

Reorder the terms:
-3a + 3a + ab + 4b + -3b = 0

Combine like terms: -3a + 3a = 0
0 + ab + 4b + -3b = 0
ab + 4b + -3b = 0

Combine like terms: 4b + -3b = 1b
ab + 1b = 0

Solving
ab + 1b = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-1b' to each side of the equation.
ab + 1b + -1b = 0 + -1b

Combine like terms: 1b + -1b = 0
ab + 0 = 0 + -1b
ab = 0 + -1b
Remove the zero:
ab = -1b

Divide each side by 'b'.
a = -1

Simplifying
a = -1